(19)

(11)

EP 2 218 084 A1

(12)

(43) Date of publication: 18.08.2010 Bulletin 2010/33 (21) Application number: 08859084.9 (22) Date of filing: 04.12.2008

(51) International Patent Classification (IPC):  H01H 1/58(2006.01) H01H 31/28(2006.01) (86) International application number: PCT/EP2008/066744 (87) International publication number: WO 2009/074501 (18.06.2009 Gazette 2009/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 11.12.2007 IN KO16642007 (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: PALAKURTHY, Ramamurthy Hyderabad 500028 (IN) RÄTH, Bernd 16727 Oberkrämer (DE)